Eurmax Canopy Weights Sand Bags Ez Pop up Canopy Tent Outdoor Shelter,Instant shelter Leg Weights, Set of 4 Set of 4 weight bags. Stabilize any Instant Canopy, Pop Up canopy or folding gazebo structures with a set of durable universal weight bags Eurmax universal weight bags can be filled with Sand, Rocks, Snow or any available material near by Specially designed lock system will ensure the weight bags stay securely attached to your Instant Canopy legs HEAVY DUTY MATERIAL: The weight bags are made of durable backed polyester. Easy to put up and release. Each bag weight capacity is about 30-35 LBS when fully fillled with Sand Note:SAND NOT INCLUDED WHY BUY FROM US:one year warranty